Unit 6 Quiz Review Chapter 2 Lessons 1, 3 and 4. 2-1 Percent of a Number – Write the percent as a fraction and then multiply OR – Write the percent as.

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Presentation transcript:

Unit 6 Quiz Review Chapter 2 Lessons 1, 3 and 4

2-1 Percent of a Number – Write the percent as a fraction and then multiply OR – Write the percent as a decimal and then multiply *You ALWAYS have to convert the percent to a fraction or decimal first!

Find each number. Round to the nearest tenth if necessary. 98% of 152.4% of 20

A local college recently reported that enrollment increased to 108% percent of last year. If enrollment last year was at 17,113, how many students enrolled this year? Round to the nearest whole number.

Use the table below. It shows the pet ownership in a town of 1,650 households. Round answers to the nearest whole number. How many households have at least one dog and one cat? Pets in HouseholdPercent At least one dog or cat26.7 At least one dog19.9 At least one cat13 At least one dog and one cat6.19

Maria and four of her friends ordered a pizza that cost $ She is responsible for 20% of the bill. How much money will she need to pay?

2-3

2-4 The Percent Equation Part = Percent x Whole (Percent must be written as decimal) 1.) Write out problem using percent proportion 2.) Put into equation form and solve

Solve using the method of your choice. Round to nearest tenth if needed. What number is 35% of 22? What percent of 26 is 78?

14 is 20% of what number? Find 30% of $10.68.

A baseball pitcher won 80% of the games he pitched. If he pitched 35 games, how many did he win? Shannon paid $8400 in federal and state income taxes as a lab technician, which amounted to 28% of her annual income. What was her income last year?

The Incredible Chocolate Chip Company has discovered that 36 out of 400 chocolate chip cookies do not contain enough chocolate chips. What percent of the chocolate chip cookies contain the correct amount of chips?

The circle graph shows a student’s college expenses for an average school year. The student’s tuition is $4250. What is the total amount spent for the year? How much is spent for rent?